Critical Vulnerability CVE-2026-59208 Enables Cross-Issuer Account Takeover in n8n

Security researchers disclosed vulnerability CVE-2026-59208 affecting the n8n platform. The flaw enables cross-issuer account takeover by malicious actors. Exploitation allows attackers to access accounts belonging to different issuers. The issue stems from inadequate isolation of authentication tokens. Affected installations may be at risk if not patched promptly. The researchers recommend applying the provided security updates. n8n users are urged to review their configuration for potential exposure. Monitoring for suspicious activity is advised until remediation is complete.